Mozilla said it will begin to send Firefox 3.6 users an offer that urges them to get on the rapid release train.

It would be the first time it has offered what it calls an “advertised update” or a “major update” to people still running 2010′s Firefox 3.6.

According to Mozilla, the offer does not hint at an impending retirement of the older version.

The offer that users will eventually see will ask them to upgrade to the newest edition, Firefox 7.0.1. If they decline, they can continue to run Firefox 3.6 and will keep receiving the security updates Mozilla releases every six weeks.

Firefox 3.6, however, may be on the chopping block soon. Under a plan Mozilla is now weighing, the company would retire Firefox 3.6 and discontinue security updates in the first quarter of 2012.

Firefox release manager Christian Legnitto also said that based on similar offers in the past, Mozilla expects “to see a significant percentage of users installing the new version.”

Being passionate about software, Armin joined FavBrowser.com in early 2011 and has been actively writing ever since. Having accepted the challenge, he also enjoys watching anime, indulging in good books, staying fit and healthy, and trying new things.